Ad-hoc routing protocols are challenging to design and the need for security services further complicates the situation. So far the proposals for routing in ad-hoc networks offer no security mechanisms at all, or have only partial solutions for protecting the routing. In this paper, we present a scheme for providing security services for routing of control messages in an ad-hoc network. Our focus is on on-demand routing protocols for ad-hoc networks, specifically the dynamic source routing protocol.

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